[Client] Tahm Kench skill description not appearing

The description for Tahm Kenchs R does not appear properly when mousing over him in the champion select for Team Builder.

Recreate by

1. Sign in and click "Play Now"
2. Select "Classic" > "Summoners Rift" > "Team Builder"
3. Click the champion select button, then mouse over Tahm Kench.
4. Look where his R description should be.

I've found this bug to occur 100% of the time.